Chicago boom

Chicago boom

[shə′kä·gō ‚büm]
(mechanical engineering)
A hoisting device that is supported on the structure being erected.
References in periodicals archive ?
After their departure, the village of Chicago boomed. It grew to about 4,000 people by 1837.
Chicago boomed during the American Civil War (1861-1865).
Buoyed by the Northeast, Chicago boomed during the 1850s, and its railroad network captured the upper Mississippi and Missouri markets.
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